G0512–ἀνωφελής–anōphelēs

But foolish questions, and genealogies, and strifes, and contentions about the law, shun; for they are unprofitable and vain.

ἀνωφελεῖς anōpheleis “unprofitable”

For there is a setting aside of the commandment going before for its weakness and unprofitableness,

ἀνωφελές, anōpheles “uselessness —”